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In molecular biology, a polynucleotide (from Ancient Greek πολυς (polys) 'many') is a biopolymer composed of nucleotide monomers that are covalently bonded in a chain. [1] DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) are examples of polynucleotides with distinct biological functions.
DNA is a polynucleotide as it is composed of simpler monomeric units called nucleotides; when double-stranded, the two chains coil around each other to form a double helix. [7] [8] In natural DNA, each nucleotide is composed of one of four nucleobases (cytosine [C], guanine [G], adenine [A] or thymine [T]), a sugar called deoxyribose, and a ...
Nucleotidyl transferase is a component of the repair pathway for single nucleotide base excision repair.This repair mechanism begins when a single nucleotide is recognized by DNA glycosylase as incorrectly matched or has been mutated in some way (UV light, chemical mutagen, etc.), and is removed.
Depiction of the restriction enzyme (endonuclease) HindIII cleaving a double-stranded DNA molecule at a valid restriction site (5'–A|AGCTT–3').. In biochemistry, a nuclease (also archaically known as nucleodepolymerase or polynucleotidase) is an enzyme capable of cleaving the phosphodiester bonds that link nucleotides together to form nucleic acids.
Mr. Resetti, full name Sonny Resetti (also known in Japan as Mr. Reset (リセットさん, Risetto-san)), is a fictional character from the Animal Crossing series of video games by Nintendo. His first appearance was in the Nintendo 64 game Dōbutsu no Mori, released in Europe and North America on the GameCube as Animal Crossing. Mr.
Animal Crossing: New Horizons [b] is a 2020 social simulation game developed and published by Nintendo for the Nintendo Switch; it is the fifth main entry in the Animal Crossing series. In New Horizons , the player controls a character who moves to a deserted island after purchasing a getaway package from Tom Nook , accomplishes assigned tasks ...
Vivian Health examines five trends that could redefine nurses' roles, enhance patient care, and alter the entire healthcare system in 2025 and beyond.
Biopolymers can be sustainable, carbon neutral and are always renewable, because they are made from plant or animal materials which can be grown indefinitely. Since these materials come from agricultural crops, their use could create a sustainable industry. In contrast, the feedstocks for polymers derived from petrochemicals will eventually ...